QNT 561 Course Real Tradition,Real Success / qnt561dotcom - PowerPoint PPT Presentation
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QNT 561 Course Real Tradition,Real Success / qnt561dotcom
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For more course tutorials visit www.qnt561.com 1. The mean gas mileage for a hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approximately normally distributed with a standard deviation of 3.2 miles per gallon. 2. What conditions must n satisfy to make the x2 test valid? 3. To use the t-statistic to test for a difference between the means of two populations, what assumptions must be made about the two populations? About the two samples? – PowerPoint PPT presentation
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Title: QNT 561 Course Real Tradition,Real Success / qnt561dotcom
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